Actual size is 20.75 x 20.25 x 5.25. Brand: Accumulair. 20x20x5 Tappan MU2020 compatible whole house air filters, exactly built to replace original manufacturer Tappan MU2020 air filters. Completely assembled so no forming or combs needed. MERV rated to ASHRAE 52.2 test standards assuring particle capture to the level of the original manufacturer Tappan MU2020 air filters. Notice: Sample filter pic shown is not to scale and is displayed for construction purposes only. Brand names and Tappan MU2020 identifier shown for filter substitution identification purposes only.
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